package com.chunuo.gulimall.product.execption;

import com.chunuo.common.exception.BizCodeEnume;
import com.chunuo.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 类的作用
 *
 * @author liujiamiao
 * @email 2544296058@qq.com
 * @date 2020-06-28 21:43
 */
//只对这个包下进行异常统一处理
@RestControllerAdvice(basePackages = "com.chunuo.gulimall.product.controller")
@Slf4j
public class GulimallExceptionControllerAdvice {

    /**
     * 校验操作处理方法 MethodArgumentNotValidException
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidExecption(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        Map<String,String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach(item ->{
            errorMap.put(item.getField(),item.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),
                BizCodeEnume.VAILD_EXCEPTION.getMsg()).
                put("data",errorMap);
    }

    /**
     * 所有错误处理方法
     * @param throwable
     * @return
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){

        log.error("错误：",throwable);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
